You never know when you might need a little power when you're out on the trail, and the SolarJuice will always oblige. With built-in solar technology, the SolarJuice converts and stores solar energy in a massive 26,800mAh battery that can charge a smartphone many times over, and also powers the built-in flashlight. With three high-speed ports for Type-C, USB-C, and QC 3.0 devices, you can charge up to three devices simultaneously so you'll never be left without power.